Engineering

Microwave-powered rocket propulsion investigated

Sending a rocket into space typically requires about 90% of the rocket's initial weight to be fuel. This limitation could be overcome by wirelessly transmitting the needed power to the rocket through a beam of microwave radiation. ...

Hi Tech & Innovation

Cyclist's helmet, Volvo car to communicate for safety

Volvo calls it "a life-saving wearable cycling tech concept." The car maker is referring to a connected car and helmet prototype that enables two-way communication between Volvo drivers and cyclists for proximity alerts. ...

Internet

New video codec halves streaming time

A German research institute announced Tuesday a new video standard that halves the bitrate required for streaming, allowing higher quality images on lower-power devices and opening the door wider to adoption of super high-definition ...

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